<template>
  <!-- 放置弹层组件 -->
  <el-dialog
    :title="dialogTitle"
    :visible="showDialog"
    @close="handleCloseDialog"
    @open="getSimpleUserList"
  >

    <el-form ref="deptForm" label-width="120px" :model="form" :rules="rules">
      <el-form-item label="部门名称" prop="name">
        <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
          <el-option
            v-for="item in userList"
            :key="item.id"
            :label="item.username"
            :value="item.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
      </el-form-item>
    </el-form>
    <div slot="footer">
      <el-button type="primary" size="small" @click="clickSubmit">确定</el-button>
      <el-button size="small">取消</el-button>
    </div>
  </el-dialog>
</template>

<script>
import { reqGetSimpleUserList } from '@/api/user'
import { reqAddDepartments, reqGetDepartDetail, reqUpdateDepartments } from '@/api/department'
export default {
  // 需要传入一个props变量来控制 显示或者隐藏
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    deptList: {
      type: Array,
      required: true
    },
    nodeData: {
      type: Object,
      required: true
    }
  },
  data() {
    const checkNameRepeat = (rule, value, callback) => {
      let arr = []
      if (this.form.id) {
        if (this.nodeData.name === value) {
          callback()
          return
        }
        arr = this.deptList.filter(item => item.pid === this.nodeData.id)
      } else {
        arr = this.deptList.filter(item => item.pid === this.nodeData.id)
      }
      // 过滤得到同级所有部门

      // 遍历同级部门, 看有没有重名的
      const flag = arr.some(item => item.name === value)
      flag ? callback(new Error('同级部门下已有同名')) : callback()
    }
    const checkCodeRepeat = (rule, value, callback) => {
      if (this.form.id && this.nodeData.code === value) {
        callback()
        return
      }
      const isRepeat = this.deptList.some(item => item.code === value)
      isRepeat ? callback(new Error('同级部门下已有同名')) : callback()
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },

      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: ['blur', 'change'] },
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger: ['blur', 'change'] },
          { validator: checkNameRepeat, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: ['blur', 'change'] },
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: ['blur', 'change'] },
          { validator: checkCodeRepeat, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: ['blur', 'change'] }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: ['blur', 'change'] },
          { min: 1, max: 300, message: '部门介绍要求1-300个字符', trigger: ['blur', 'change'] }
        ]
      },
      userList: []
    }
  },
  computed: {
    dialogTitle() {
      return this.form.id ? '编辑部门' : '添加子部门'
    }
  },
  methods: {
    handleCloseDialog() {
      this.form = {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      }
      this.$emit('update:show-dialog', false)
      this.$refs.deptForm.resetFields()
    },
    async getSimpleUserList() {
      const { data } = await reqGetSimpleUserList()
      console.log(data, 999)
      this.userList = data
    },
    clickSubmit() {
      this.$refs.deptForm.validate(async flag => {
        if (!flag) return
        if (this.form.id) {
          // 编辑
          const res = await reqUpdateDepartments(this.form)
          console.log(res)
          this.$message.success('编辑部门成功')
        } else {
          // 新增
          const res = await reqAddDepartments({ ...this.form, pid: this.nodeData.id })
          console.log(res)
          this.$message.success('新增部门成功')
        }

        // 关闭对话框
        this.handleCloseDialog()
        // 重新获取数据
        this.$emit('add-depts')
      })
    },
    async getDepartDetail() {
      const { data } = await reqGetDepartDetail(this.nodeData.id)
      this.form = data
    }
  }

}
</script>
